I'd say D. All of the above
Answer:
A. Their is the correct answer.
Explanation:
In this sentence, "which lasted two hours" is an adjective clause because it describes the school play by telling how long it lasted. Also, adjective clauses often start with words such as "who", "that", "which", or "when", along with others.
The answer is B. because, the other answers have random comas, while sentence B. Uses no random comas and correctly placed periods.